|Rogaine inventor dies in South Florida|
|News - St Augustine Area & St Johns County|
MIAMI ó A South Florida dermatologist credited with developing the first baldness remedy recognized by the U.S. Patent and Trademark Office has died. He was 80.
Dr. Guinter Kahnís daughter Michelle said her father died Sept. 17 at a Miami hospice.
Kahnís name was added to the patent for minoxidil in 1986 after a 15-year legal struggle with Upjohn Co. Minoxidil is the active ingredient in Rogaine.
Upjohn originally synthesized minoxidil to treat high blood pressure in the early 1960s.
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